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Transform 285/400: Traffic Impact Report

Weather permitting, Georgia Department of Transportation construction partners will close lanes on I-285 eastbound and westbound and SR 400 northbound and southbound for activities to include roadway, noise barrier, and bridge construction. Travel restrictions include possible delays, reduced speeds, and detours in some areas.

WHEN/WHERE: Traffic Impacts on I-285 and SR 400 from Dec. 13 through Dec. 19, 2022

Overnight Closures: 

Tuesday, December 13, 11 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • **Two left lanes on SR 400 southbound at North Springs MARTA Station (10 p.m. to 5 a.m.)
  • One left lane on SR 400 northbound at North Springs MARTA Station (10 p.m. to 5 a.m.)
  • One right lane on SR 400 southbound from Mount Vernon Highway to Hammond Drive
  • Two left lanes on I-285 eastbound from Long Island Drive to Roswell Road (10 p.m. to 5 a.m.)
  • Two left lanes on I-285 westbound from Roswell Road to Riverside Drive (10 p.m. to 5 a.m.)
  • One left lane at 400 southbound to Abernathy Road ramp
  • **Two left lanes on SR 400 southbound from Spalding Drive to North Springs MARTA Station (10 p.m. to 5 a.m.)

Wednesday, December 14, 11 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • **Two right lanes on SR 400 southbound from Abernathy Road to Mount Vernon Highway (10 p.m. to 5 a.m.)
  • One right lane on I-285 westbound from SR 400 to Glenridge Drive (10 p.m. to 5 a.m.)
  • **One right lane on SR 400 southbound from Mount Vernon Highway to Hammond Drive
  • Two left lanes on I-285 eastbound from Long Island Drive to Roswell Road (10 p.m. to 5 a.m.)
  • Two left lanes on I-285 westbound from Roswell Road to Riverside Drive (10 p.m. to 5 a.m.)
  • One left lane at 400 southbound to Abernathy Road ramp
  • Two left lanes on SR 400 southbound from Spalding Drive to North Springs MARTA Station (10 p.m. to 5 a.m.)

Thursday, December 15, 11 p.m. to 5 a.m.

General Lane Closures & Traffic Pacings:

  • ++ Two right lanes on SR 400 southbound from Abernathy Road to Mount Vernon Highway
  • ++ One right lane on SR 400 southbound from Mount Vernon Highway to Hammond Drive
  • ++ Two left lanes on SR 400 southbound from Spalding Drive to North Springs MARTA Station
  • One left lane on I-285 westbound from Roswell Road to Long Island Drive
  • Two left lanes on I-285 eastbound from Long Island Drive to Roswell Road

Friday, December 16, 11 p.m. to 7 a.m.

General Lane Closures & Traffic Pacings:

  • **Two right lanes on SR 400 southbound from Abernathy Road to Mount Vernon Highway
  • **One right lane on SR 400 southbound from Mount Vernon Highway to Hammond Drive
  • ** Two left lanes on SR 400 southbound from Spalding Drive to North Springs MARTA Station
  • One left lane on I-285 westbound from Roswell Road to Long Island Drive
  • Two left lanes on I-285 eastbound from Long Island Drive to Roswell Road

Saturday, December 17, 11 p.m. to 7 a.m.

Closures and Detours:

SR 400 northbound Full Closure at I-285 (Detour Map) (12 a.m. to 7 a.m.)

  • Motorists traveling on SR 400 northbound should use Exit 4A I-285 eastbound and Exit 29 Ashford Dunwoody Road, and I-285 westbound and to access Exit 27A SR 400 southbound.

Sunday, December 18, 11 p.m. to 7 a.m.

Closures and Detours:

SR 400 northbound Full Closure at I-285 (Detour Map) (11 p.m. to 5 a.m.)

Motorists traveling on SR 400 northbound should use Exit 4A I-285 eastbound and Exit 29 Ashford Dunwoody Road, and I-285 westbound and to access Exit 27A SR 400 southbound

Click here for more information.

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